Clay County Climate
Clay County, Kentucky
Avg Annual Temp
55.7°F
Annual Precip
51.5"
Annual Snowfall
8.6"
Extreme Heat Days
25.25
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Clay County Weather
Standard Humid Subtropical Climate
Clay County averages 55.7°F annually, aligning closely with the national median temperature. Its 51.5 inches of annual precipitation is significantly higher than the typical U.S. county.
Typical Kentucky Weather Patterns
The county's average temperature of 55.7°F is just under the state average of 56.2°F. Its 51.5 inches of rain and snow sits nearly level with the Kentucky average of 50.6 inches.
More Snow than Christian County
Clay County sees 8.6 inches of snow, about an inch more than Christian County. It is also cooler on average than Christian, reflecting its different position within the state's topography.
Moderate Heat and Chilly Winters
The county experiences 25 days of 90°F heat during its 73.7°F summers. Winter temperatures drop to an average of 34.5°F in January, accompanied by 8.6 inches of snow.
Prepare for Damp Conditions
With 51.5 inches of precipitation, residents should prioritize moisture control in basements and crawlspaces. A standard HVAC system is sufficient to handle the 25 extreme heat days.
Frequently Asked Questions
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.